High-speed jacquard knitting needle processing equipment of circular knitting machine

Abstract

The invention relates to the field of textile machinery, and discloses circular knitting machine high-speed jacquard knitting needle processing equipment which comprises a workbench, one side of the workbench is fixedly connected with a first mounting plate, the top of the first mounting plate is provided with an auxiliary cooling structure, and one side of the first mounting plate is provided with a displacement structure. A third mounting plate is fixedly connected to the top of the displacement structure, a servo motor is fixedly mounted at the top of the third mounting plate, a first transmission shaft is fixedly connected to the output end of the servo motor, and a first gear is fixedly connected to the circumferential outer wall of the first transmission shaft; the tooth end of the first gear is sequentially connected with a second gear and a third gear in a meshed mode, and a machining structure is arranged in the middle of the second gear. A blank of a knitting needle is driven to move and limit through the moving limiting structure, the third mounting plate is driven to move up and down through the displacement structure, the machining structure and the air supply structure are driven to operate through the servo motor, and therefore the knitting needle blank is machined.

Description

Technical Field

[0001] This invention relates to the field of textile machinery technology, specifically to a high-speed jacquard knitting needle processing equipment for a large circular knitting machine. Background Technology

[0002] In the modern textile industry, the technological level of textile machinery is a key factor determining the quality and production efficiency of textiles. With global economic development and increasingly higher consumer demands for textile quality, the textile industry is rapidly developing towards higher precision, higher efficiency, and greater diversification. Under this trend, the performance of the circular knitting machine, as an important piece of equipment for producing knitted fabrics, directly affects the quality and quantity of knitted products. The high-speed jacquard knitting needles of the circular knitting machine, as one of its core components, play a crucial role in the overall performance of the machine through their processing quality and efficiency.

[0003] Currently, the processing of high-speed jacquard knitting needles for circular knitting machines mainly relies on traditional machining methods and some CNC machining technology. Traditional machining typically uses general-purpose equipment such as lathes and milling machines. In lathe machining, the blank is rotated and turned using cutting tools to initially shape the shape of the knitting needle. Milling machines are used to mill complex parts of the knitting needle, such as the needle hook. Some high-end equipment uses CNC technology, where operators write programs to precisely control the machining path and parameters, achieving relatively high machining accuracy.

[0004] Traditional processing equipment is prone to thermal deformation during operation. This is because the large amount of heat generated during processing causes the equipment parts to expand or deform, reducing processing accuracy, shortening the service life of the equipment, and increasing the equipment maintenance costs for enterprises. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a high-speed jacquard knitting needle processing device for large circular knitting machines, which solves the problem that traditional processing equipment is prone to thermal deformation during operation, leading to expansion or deformation of equipment parts, thereby affecting processing accuracy and product quality.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-speed jacquard knitting needle processing device for a large circular knitting machine, comprising a worktable, a first mounting plate fixedly connected to one side of the worktable, an auxiliary cooling structure provided on the top of the first mounting plate, a displacement structure provided on one side of the first mounting plate, a third mounting plate fixedly connected to the top of the displacement structure, a servo motor fixedly mounted on the top of the third mounting plate, a first transmission shaft fixedly connected to the output end of the servo motor, a first gear fixedly connected to the outer circumference of the first transmission shaft, a second gear and a third gear sequentially meshing at the tooth ends of the first gear, a processing structure provided in the middle of the second gear, an air supply structure provided in the middle of the third gear, a second air duct provided at the air outlet of the air supply structure, an annular air duct fixedly connected to one end of the second air duct, and a movable limiting structure fixedly mounted on the top of the worktable.

[0007] Preferably, the displacement structure includes a second mounting plate, and electric push rods are symmetrically arranged on the top of the second mounting plate. The top of the electric push rods is fixedly connected to one side of the first mounting plate, and the bottom end of the first drive shaft is rotatably connected to one side of the second mounting plate.

[0008] Preferably, the processing structure includes a second drive shaft, the outer circumferential wall of the second drive shaft is fixedly connected to the middle of the second gear, the top end of the second drive shaft is rotatably connected to one side of the third mounting plate, the outer wall of the second drive shaft is rotatably connected to the middle of the second mounting plate, the bottom end of the second drive shaft passes through the middle of the second mounting plate and a tool mounting seat is installed thereon, the top of the tool mounting seat is installed in the middle of the second mounting plate, and a tool is installed on one side of the tool mounting seat.

[0009] Preferably, the air supply structure includes a third drive shaft, the outer wall of which is fixedly connected to the middle of a third gear, the top end of which is rotatably connected to the other side of a third mounting plate, a housing rotatably connected to one side of the third drive shaft, fan blades being uniformly fixedly connected to the outer circumference of the third drive shaft, and the bottom end of which is rotatably connected to the bottom of the inner wall of the housing, with the fan blades located inside the housing.

[0010] Preferably, the bottom of the housing is fixedly connected to the top of the second mounting plate, the air inlet of the housing is uniformly equipped with filter plates, and the air outlet of the housing is located at the other end of the second air duct.

[0011] Preferably, the auxiliary cooling structure includes a cooler fan, the bottom of which is disposed on the top of the first mounting plate, and the output end of the cooler fan is symmetrically and fixedly connected to a first air duct. The end of the first air duct away from the cooler fan is fixedly connected to a cylinder, and the bottom of the cylinder is fixedly connected to the top of the second mounting plate.

[0012] Preferably, a piston is provided inside the cylinder, and a fixing post is fixedly connected to the top of the piston. The top of the fixing post is fixedly connected to one side of the first mounting plate, and the outer wall of the fixing post is slidably connected to the top of the cylinder.

[0013] Preferably, the air outlet of the cylinder is fixedly connected to a third air duct, and a nozzle is fixedly connected to the end of the third air duct away from the cylinder, and the top of the nozzle is fixedly connected to the bottom of the second mounting plate.

[0014] Preferably, the movable limiting structure includes a cross slide, the bottom of which is fixedly installed on the top of the worktable, and a placement plate is provided at the output end of the cross slide, with a vacuum suction cup installed on the top of the placement plate.

[0015] Preferably, the outer wall of the second air duct is fixedly connected to one side of the second mounting plate, the top of the annular air duct is fixedly connected to the bottom of the second mounting plate, the air outlet of the annular air duct is uniformly equipped with guide plates, the bottom of the workbench is uniformly fixedly connected with support columns, and the other side of the workbench is fixedly equipped with a control panel.

[0016] Working principle: When using this equipment, the blank of the high-speed jacquard knitting needles of the large circular knitting machine is limited by a vacuum chuck. The cross slide moves the placement plate and the vacuum chuck horizontally on the worktable according to the processing requirements. The electric push rod drives the second mounting plate to move vertically up and down between the first mounting plate and the worktable, thereby driving the third mounting plate to move up and down. Then, the servo motor drives the first transmission shaft to rotate, causing the first gear to rotate, which in turn drives the second and third gears to rotate simultaneously. In turn, the second gear drives the second transmission shaft to rotate, thereby driving the cutter to move and process the knitting needle blank on the vacuum chuck.

[0017] Simultaneously, the third gear drives the third transmission shaft to rotate, thereby driving the fan blades to run inside the housing. Air is drawn in from the air inlet of the housing, filtered by the filter plate, and sent into the interior of the second air duct through the air outlet of the housing. It then enters the interior of the annular air duct, where it is diverted and sent out. The airflow direction of the annular air duct outlet is adjusted according to the needs by the guide plate, thereby providing air cooling for the cutting tools and the knitting needle blanks being processed. This removes some heat, prevents the cutting tools from being damaged due to overheating, and blows away the debris generated during processing, cleaning the processing area.

[0018] Simultaneously, a cool air fan generates cool air, which is then delivered into the cylinder through the first air duct. When the electric push rod moves the second mounting plate, it causes the cylinder to move vertically up and down, causing the fixed column to slide on the top of the cylinder and drive the piston to run inside the cylinder. The cool air inside the cylinder is then delivered into the nozzle through the third air duct, and blown out by the nozzle onto the cutting tools and knitting needle blanks, thereby further cooling them, enhancing processing accuracy and product quality, and extending the service life of the equipment.

[0019] This invention provides a high-speed jacquard knitting needle processing device for a large circular knitting machine. It has the following beneficial effects: 1. This invention uses a movable limiting structure to move and limit the blank of the knitting needle, a displacement structure to move the third mounting plate up and down, and a servo motor to drive the processing structure and the air supply structure to process the knitting needle blank. The processing structure and the processed knitting needle blank are cooled by air to prevent the cutting tool from being damaged due to excessive temperature, and the debris generated during processing is blown away to clean the processing area. The auxiliary cooling structure further cools the blank, thereby improving processing accuracy and product quality, and extending the service life of the equipment.

[0020] 2. This invention uses a servo motor to drive the first transmission shaft to rotate, causing the second and third gears to rotate simultaneously. This drives the cutting tool to process the knitting needle blank while simultaneously driving the fan blades to draw air in from the air inlet of the housing. The air is filtered by the filter plate and sent into the interior of the second air duct through the air outlet of the housing. The air then enters the interior of the annular air duct, and the airflow direction of the annular air duct outlet is adjusted by the guide plate. This provides air cooling for the processing structure and the knitting needle blank being processed, and also cleans the processing area, thereby enhancing the practicality of this equipment.

[0021] 3. In this invention, a cold air blower sends cold air into the cylinder. An electric push rod drives the second mounting plate to move vertically up and down, thereby driving the cutter to move up and down. While processing the knitting needle blank, the cylinder moves vertically up and down, causing the piston to run inside the cylinder and sending the cold air inside the cylinder to the nozzle. The cold air is then sent to the processing structure and the knitting needle blank through the nozzle, thereby further cooling it. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of a high-speed jacquard knitting needle processing device for a large circular knitting machine proposed in this invention; Figure 2 This is a partial structural diagram of the electric push rod of a high-speed jacquard knitting needle processing equipment for a large circular knitting machine proposed in this invention; Figure 3 This is a partial structural diagram of the third mounting plate of a high-speed jacquard knitting needle processing device for a large circular knitting machine proposed in this invention; Figure 4 This is a schematic diagram of the internal structure of the housing of a high-speed jacquard knitting needle processing equipment for a large circular knitting machine, as proposed in this invention. Figure 5 This is a partial structural diagram of the annular air duct of a high-speed jacquard knitting needle processing equipment for a large circular knitting machine proposed in this invention; Figure 6 This is a partial structural diagram of the second mounting plate of a high-speed jacquard knitting needle processing device for a large circular knitting machine proposed in this invention; Figure 7 This is a schematic diagram of the internal structure of the cylinder of a high-speed jacquard knitting needle processing device for a large circular knitting machine proposed in this invention; Figure 8 This is a partial structural diagram of the first mounting plate of a high-speed jacquard knitting needle processing device for a large circular knitting machine proposed in this invention.

[0023] The components are as follows: 1. Workbench; 2. Support column; 3. Control panel; 4. Cross slide; 5. Placement plate; 6. Vacuum suction cup; 7. Second mounting plate; 8. First mounting plate; 9. Electric push rod; 10. Air cooler; 11. Cutting tool; 12. Third mounting plate; 13. Servo motor; 14. Cylinder; 15. First air duct; 16. Fixed column; 17. Annular air duct; 18. Guide plate; 19. Nozzle; 20. Cutting tool mounting seat; 21. Second drive shaft; 22. First drive shaft; 23. First gear; 24. Second gear; 25. Third drive shaft; 26. Third gear; 27. Housing; 28. Second air duct; 29. ​​Fan blade; 30. Filter plate; 31. Third air duct; 32. Piston. Detailed Implementation

[0024] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Please see the appendix Figure 1 -Appendix Figure 8This invention provides a high-speed jacquard knitting needle processing device for a large circular knitting machine, including a worktable 1. A first mounting plate 8 is fixedly connected to one side of the worktable 1. An auxiliary cooling structure is provided on the top of the first mounting plate 8. A displacement structure is provided on one side of the first mounting plate 8. A third mounting plate 12 is fixedly connected to the top of the displacement structure. A servo motor 13 is fixedly mounted on the top of the third mounting plate 12. A first transmission shaft 22 is fixedly connected to the output end of the servo motor 13. A first gear 23 is fixedly connected to the outer circumference of the first transmission shaft 22. A second gear 24 and a third gear 26 are sequentially meshed at the tooth ends of the first gear 23. A processing structure is provided in the middle of the second gear 24. An air supply structure is provided in the middle of the third gear 26. A second air duct 28 is provided at the air outlet of the air supply structure. An annular air duct 17 is fixedly connected to one end of the second air duct 28. A movable limiting structure is fixedly mounted on the top of the worktable 1.

[0026] Specifically, the blank of the high-speed jacquard knitting needle of the circular knitting machine is placed by the moving limiting structure, which moves it and limits its movement, thus facilitating the processing of the knitting needle blank. The worktable 1 provides a working platform and the first mounting plate 8 is installed. The operation of the displacement structure on one side of the first mounting plate 8 drives the third mounting plate 12 to move up and down. The servo motor 13 is installed on the third mounting plate 12. The operation of the servo motor 13 drives the first transmission shaft 22 to rotate, which in turn drives the first gear 23 to rotate. This causes the second gear 24 and the third gear 26 to rotate simultaneously. The second gear 24 drives the processing structure to move, and the third mounting plate 12 drives it to move vertically up and down, thus processing the blank on the moving limiting structure into a high-speed jacquard knitting needle of the circular knitting machine.

[0027] Simultaneously, the rotation of the third gear 26 drives the air supply structure to operate, thereby generating airflow. This airflow is then delivered through the air outlet into the second air duct 28, entering the interior of the annular air duct 17, where it is diverted and delivered out. This provides air cooling to the processing structure and the knitting blank, removing some heat and preventing damage to the cutting tools due to overheating. It also blows away the debris generated during processing, cleaning the processing area. Furthermore, as the displacement structure moves, the auxiliary cooling structure delivers cool air to the processing structure and the knitting blank for further cooling. This enhances processing accuracy and product quality, and extends the service life of the equipment. This solves the problem that traditional processing equipment is prone to thermal deformation during operation, leading to expansion or deformation of equipment parts, which affects processing accuracy and product quality.

[0028] Please see the appendix Figure 1 Appendix Figure 2The displacement structure includes a second mounting plate 7, on the top of which electric push rods 9 are symmetrically arranged. The top of the electric push rods 9 is fixedly connected to one side of the first mounting plate 8, and the bottom end of the first drive shaft 22 is rotatably connected to one side of the second mounting plate 7.

[0029] Specifically, the electric push rod 9 is installed on the first mounting plate 8. The operation of the electric push rod 9 drives the second mounting plate 7 to move vertically up and down between the first mounting plate 8 and the worktable 1, thereby driving the third mounting plate 12 to move up and down.

[0030] Please see the appendix Figure 1 -Appendix Figure 3 The processing structure includes a second drive shaft 21. The outer circumferential wall of the second drive shaft 21 is fixedly connected to the middle of the second gear 24. The top end of the second drive shaft 21 is rotatably connected to one side of the third mounting plate 12. The outer wall of the second drive shaft 21 is rotatably connected to the middle of the second mounting plate 7. The bottom end of the second drive shaft 21 passes through the middle of the second mounting plate 7 and a tool mounting seat 20 is mounted thereon. The top of the tool mounting seat 20 is mounted in the middle of the second mounting plate 7. A tool 11 is mounted on one side of the tool mounting seat 20.

[0031] Specifically, the rotational connection between the second drive shaft 21 and the third mounting plate 12 and the second mounting plate 7 makes the second drive shaft 21 more stable when rotating. The rotation of the second gear 24 drives the second drive shaft 21 to rotate between the third mounting plate 12 and the second mounting plate 7, thereby driving the tool mounting seat 20 and the tool 11 to run, so as to process the knitting needle blank. The tool mounting seat 20 and the tool 11 are installed through the second mounting plate 7.

[0032] Please see the appendix Figure 1 -Appendix Figure 4 The air supply structure includes a third drive shaft 25, the outer wall of which is fixedly connected to the middle of the third gear 26, the top end of which is rotatably connected to the other side of the third mounting plate 12, a housing 27 rotatably connected to one side of the third drive shaft 25, fan blades 29 uniformly fixedly connected to the outer circumference of the third drive shaft 25, and the bottom end of the third drive shaft 25 rotatably connected to the bottom of the inner wall of the housing 27. The fan blades 29 are located inside the housing 27. The bottom of the housing 27 is fixedly connected to the top of the second mounting plate 7. Filter plates 30 are uniformly installed at the air inlet of the housing 27, and the air outlet of the housing 27 is located at the other end of the second air duct 28.

[0033] Specifically, the housing 27 is installed via the second mounting plate 7. The third drive shaft 25 is rotatably connected to the third mounting plate 12 and the housing 27, making the rotation of the third drive shaft 25 more stable. The rotation of the third gear 26 drives the third drive shaft 25 to rotate, thereby driving the fan blades 29 to run inside the housing 27. This draws air in from the air inlet of the housing 27, filters it through the filter plate 30, and sends it into the interior of the second air duct 28 through the air outlet of the housing 27. This provides air cooling for the processing structure and the processed knitting blank, removes some heat, prevents the cutting tools from being damaged due to overheating, and blows away the debris generated during processing, cleaning the processing area.

[0034] Please see the appendix Figure 1 Appendix Figure 2 Appendix Figure 6 -Appendix Figure 8 The auxiliary cooling structure includes a cooler 10, the bottom of which is located on the top of the first mounting plate 8. A first air duct 15 is symmetrically and fixedly connected to the output end of the cooler 10. A cylinder 14 is fixedly connected to the end of the first air duct 15 away from the cooler 10. The bottom of the cylinder 14 is fixedly connected to the top of the second mounting plate 7. A piston 32 is provided inside the cylinder 14. A fixing post 16 is fixedly connected to the top of the piston 32. The top of the fixing post 16 is fixedly connected to one side of the first mounting plate 8. The outer wall of the fixing post 16 is slidably connected to the top of the cylinder 14. A third air duct 31 is fixedly connected to the air outlet of the cylinder 14. A nozzle 19 is fixedly connected to the end of the third air duct 31 away from the cylinder 14. The top of the nozzle 19 is fixedly connected to the bottom of the second mounting plate 7.

[0035] Specifically, the fixed column 16 is fixedly connected to the first mounting plate 8, thereby installing the fixed column 16 on the first mounting plate 8. The first mounting plate 8 is used to install the air cooler 10. The operation of the air cooler 10 generates cold air, which is sent into the cylinder 14 through the first air duct 15. When the moving structure drives the second mounting plate 7 to move vertically, it drives the cylinder 14 to move vertically up and down. The first mounting plate 8 fixes the fixed column 16, thereby limiting the piston 32. When the cylinder 14 moves up and down, the fixed column 16 slides on the top of the cylinder 14, and drives the piston 32 to run inside the cylinder 14, sending the cold air inside the cylinder 14 into the third air duct 31, and then into the nozzle 19 through the third air duct 31. The cold air is blown out through the nozzle 19 and sent to the processing structure and the knitting needle blank for further cooling.

[0036] Please see the appendix Figure 1 Appendix Figure 8The movable limiting structure includes a cross slide 4, the bottom of which is fixedly installed on the top of the worktable 1. A placement plate 5 is provided at the output end of the cross slide 4, and a vacuum suction cup 6 is installed on the top of the placement plate 5.

[0037] Specifically, the cross slide 4 is installed on the worktable 1. The operation of the cross slide 4 drives the placement plate 5 to move horizontally on the worktable 1. The vacuum suction cup 6 is used to adsorb and fix the knitting needle blank, so as to place the blank of the high-speed jacquard knitting needle of the circular knitting machine according to the needs, drive it to move, and limit it, thereby facilitating the processing of the knitting needle blank.

[0038] Please see the appendix Figure 3 Appendix Figure 5 The outer wall of the second air duct 28 is fixedly connected to one side of the second mounting plate 7. The top of the annular air duct 17 is fixedly connected to the bottom of the second mounting plate 7. The air outlet of the annular air duct 17 is evenly equipped with guide plates 18. The bottom of the workbench 1 is evenly fixedly connected with support columns 2. The other side of the workbench 1 is fixedly installed with a control panel 3.

[0039] Specifically, the second air duct 28 is installed through the second mounting plate 7, and the airflow is transported through the second air duct 28. The annular air duct 17 is fixedly connected to the second mounting plate 7, thereby installing the annular air duct 17 on the second mounting plate 7. The airflow direction of the annular air duct 17 outlet is adjusted according to the requirements through the setting of the guide plate 18. The equipment is supported by the setting of the support column 2. The operation of the equipment is controlled through the setting of the control panel 3.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-speed jacquard knitting needle processing device for a large circular knitting machine, comprising a worktable (1), characterized in that: A first mounting plate (8) is fixedly connected to one side of the workbench (1). An auxiliary cooling structure is provided on the top of the first mounting plate (8). A displacement structure is provided on one side of the first mounting plate (8). A third mounting plate (12) is fixedly connected to the top of the displacement structure. A servo motor (13) is fixedly installed on the top of the third mounting plate (12). A first transmission shaft (22) is fixedly connected to the output end of the servo motor (13). A first gear (23) is fixedly connected to the outer circumference of the first transmission shaft (22). A second gear (24) and a third gear (26) are sequentially meshed at the tooth ends of the first gear (23). A processing structure is provided in the middle of the second gear (24). An air supply structure is provided in the middle of the third gear (26). A second air duct (28) is provided at the air outlet of the air supply structure. An annular air duct (17) is fixedly connected to one end of the second air duct (28). A moving limit structure is fixedly installed on the top of the workbench (1).

2. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The displacement structure includes a second mounting plate (7), on which electric push rods (9) are symmetrically arranged. The top of the electric push rods (9) is fixedly connected to one side of the first mounting plate (8), and the bottom end of the first transmission shaft (22) is rotatably connected to one side of the second mounting plate (7).

3. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The processing structure includes a second drive shaft (21), the outer circumference of which is fixedly connected to the middle of the second gear (24), the top end of which is rotatably connected to one side of the third mounting plate (12), the outer wall of which is rotatably connected to the middle of the second mounting plate (7), the bottom end of which passes through the middle of the second mounting plate (7) and a tool mounting seat (20) is installed thereon, the top of which is installed in the middle of the second mounting plate (7), and a tool (11) is installed on one side of which.

4. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The air supply structure includes a third drive shaft (25), the outer wall of which is fixedly connected to the middle of the third gear (26), the top end of which is rotatably connected to the other side of the third mounting plate (12), a housing (27) is rotatably connected to one side of the third drive shaft (25), fan blades (29) are uniformly fixedly connected to the outer circumference of the third drive shaft (25), and the bottom end of which is rotatably connected to the bottom of the inner wall of the housing (27). The fan blades (29) are located inside the housing (27).

5. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 4, characterized in that: The bottom of the box (27) is fixedly connected to the top of the second mounting plate (7), and the air inlet of the box (27) is uniformly equipped with filter plates (30), and the air outlet of the box (27) is located at the other end of the second air duct (28).

6. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The auxiliary cooling structure includes a cooler (10), the bottom of which is located on the top of the first mounting plate (8). The output end of the cooler (10) is symmetrically and fixedly connected to a first air duct (15). The end of the first air duct (15) away from the cooler (10) is fixedly connected to a cylinder (14), and the bottom of the cylinder (14) is fixedly connected to the top of the second mounting plate (7).

7. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 6, characterized in that: The cylinder (14) is equipped with a piston (32), and a fixing column (16) is fixedly connected to the top of the piston (32). The top of the fixing column (16) is fixedly connected to one side of the first mounting plate (8), and the outer wall of the fixing column (16) is slidably connected to the top of the cylinder (14).

8. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 7, characterized in that: The cylinder (14) has a third air duct (31) fixedly connected to its air outlet. A nozzle (19) is fixedly connected to the end of the third air duct (31) away from the cylinder (14). The top of the nozzle (19) is fixedly connected to the bottom of the second mounting plate (7).

9. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The moving limiting structure includes a cross slide (4), the bottom of which is fixedly installed on the top of the workbench (1), and a placement plate (5) is provided at the output end of the cross slide (4), and a vacuum suction cup (6) is installed on the top of the placement plate (5).

10. The high-speed jacquard knitting needle processing equipment for a large circular knitting machine according to claim 1, characterized in that: The outer wall of the second air duct (28) is fixedly connected to one side of the second mounting plate (7), the top of the annular air duct (17) is fixedly connected to the bottom of the second mounting plate (7), the air outlet of the annular air duct (17) is uniformly equipped with guide plates (18), the bottom of the workbench (1) is uniformly fixedly connected with support columns (2), and the other side of the workbench (1) is fixedly equipped with a control panel (3).

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